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Cited by 893

The DOI matches its Crossref record; 66 of the 66 references it cites were found in a registry or an index.

Highly Electrically Conductive Three-Dimensional Ti3C2Tx MXene/Reduced Graphene Oxide Hybrid Aerogels with Excellent Electromagnetic Interference Shielding Performances

Zhao, Sai, Zhang, Hao-Bin, Luo, Jia-Qi, Wang, Qi-Wei, Xu, Bin, Hong, Song, Yu, Zhong-Zhen·2018·ACS Nano

Abstract

Abstract Two-dimensional transition-metal carbides/carbonitrides (MXenes) with both superb electrical conductivity and hydrophilicity are promising for fabricating multifunctional nanomaterials and nanocomposites. However, the construction of three-dimensional (3D) and lightweight MXene macroscopic assemblies with excellent electrical conductivity and mechanical performances has not been realized due to the weak gelation capability of MXene sheets. Herein, we demonstrate an efficient approach for constructing highly conductive 3D Ti3C2Tx porous architectures by graphene oxide assisted hydrothermal assembly followed by directional freezing and freeze-drying. The resultant hybrid aerogels exhibit aligned cellular microstructure, in which the graphene sheets serve as the inner skeleton, while the compactly attached Ti3C2Tx sheets present as shells of the cell walls. The porous and highly conductive architecture (up to 1085 S m–1) is highly efficient in endowing epoxy nanocomposite with a high electrical conductivity of 695.9 S m–1 and an outstanding electromagnetic interference (EMI)-shielding effectiveness of more than 50 dB in the X-band at a low Ti3C2Tx content of 0.74 vol %, which are the best results for polymer nanocomposites with similar loadings of MXene so far. The successful assembly methodology of 3D and porous architectures of Ti3C2Tx would greatly widen the practical applications of MXenes in the fields of EMI shielding, supercapacitors, and sensors.

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Crossref · 10.1021/acsnano.8b05739

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Metadata

Authors
Zhao, S., Zhang, H.-B., Luo, J.-Q., Wang, Q.-W., Xu, B., Hong, S., & Yu, Z.-Z.
Venue
ACS Nano
Published
2018-10-19
Volume
12
Issue
11
Pages
11193-11202
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2896917029
Cited by
893
References
66
FWCI
30.00
Type
journal article
Language
en
Open access
closed

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